Nokia announced four new devices including the Lumia 720 and Lumia 520, as well as Nokia's HERE location suite becomes available for non-Nokia phones in the Windows Phone ecosystem. Here are the detailed info for these two newly announced Windows Phone 8 devices from Nokia:

The Nokia Lumia 720 delivers a high-end camera performance at a mid-range price point. A large f/1.9 aperture and exclusive Carl Zeiss optics are designed to deliver bright, clear pictures day and night, while the HD-quality, wide-angle front-facing camera. The sleek and stylish smartphone comes with the latest high-end Nokia Lumia experiences, including Nokia Music, the HERE location suite, and the option to add wireless charging with a snap-on wireless charging cover.

The Nokia Lumia 720 comes in five colors, with an estimated starting price of EUR 249 before taxes and subsidies. Rollout is planned to start in Hong Kong, Vietnam and Singapore in Q1 2013, before continuing into broader markets in Q2, including China as well as key markets in Europe, Asia, Africa and India.

The Nokia Lumia 520 is Nokia's most affordable Windows Phone 8 smartphone, delivering experiences normally only found in high-end smartphones, such as the same digital camera lenses found on the flagship Nokia Lumia 920, Nokia Music for free music out of the box and even offline, and the HERE location suite. A four-inch super sensitive touchscreen makes for a more responsive and immersive content experience than can usually be found at this price.

The Nokia Lumia 520 comes in five colors, with an estimated starting price of EUR 139, before taxes and subsidies. Roll-out is planned to begin in Q1 2013 in Hong Kong and Vietnam, before expanding broadly in Q2 to markets in Europe, Asia - including China and India - Latin America and Africa. The Nokia Lumia 520 is also planned to roll out in the United States with T-Mobile.

Nokia also announced that following the launch of the Nokia Lumia 920T by China Mobile last year, the world's biggest mobile operator would bring the Nokia Lumia 720 and the Nokia Lumia 520 to China. Further details on exact availability will be announced in due course.